* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #5d3800;
}

.face {
    position: relative;
    background: #ffcd00;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.face::before {
    content: '';
    position: absolute;
    width: 150px;
    height: 70px;
    background: #b57700;
    top: 180px;
    border-bottom-left-radius: 70px;
    border-bottom-right-radius: 60px;
    transition: 0.5s;
}

.face:hover::before {
    top: 210px;
    width: 150px;
    height: 20px;
    background: #b57700;
    border-bottom-left-radius: 0px;
    border-bottom-right-radius: 0px;
}
.eyes{
    position: relative;
    top: -40px;
    display: flex;
}
.eyes .eye{
    position: relative;
    width: 80px;
    display: block;
    height: 80px;
    background: #fff;
    margin: 0 15px;
    border-radius: 50%;
}
.eyes .eye::before{
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    background: #333;
    border-radius: 50%;
    top: 50%;
    left: 25px;
    transform: translate(-50%,-50%);
}